Compensatory mechanisms of balance to the scaling of arm-swing frequency
- Authors
- Ko, Ji Hyun; Wang, Zheng; Challis, John H.; Newell, Karl M.
- Issue Date
- Nov-2015
- Publisher
- Elsevier Ltd
- Keywords
- Arm-swing; Center of mass; Center of pressure; Postural control
- Citation
- Journal of Biomechanics, v.48, no.14, pp.3825 - 3829
- Indexed
- SCIE
SCOPUS
- Journal Title
- Journal of Biomechanics
- Volume
- 48
- Number
- 14
- Start Page
- 3825
- End Page
- 3829
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/20219
- DOI
- 10.1016/j.jbiomech.2015.09.008
- ISSN
- 0021-9290
- Abstract
- The present study investigated the contribution of the Hof (2007) mechanism 1 (M1-moving the center of pressure (COP) with respect to the vertical projection of the center of mass (COMTotal)); and mechanism 2 (M2-rotating the trunk and upper limbs around the COMTotal) to postural control and the stability of COP-COMTotal cophase as a function of lateral arm-swing frequency. Young adults were instructed to stand still on a force platform while alternating their arm swinging from above the head to the side of their thigh to create perturbations to postural control. Scaling the frequency of arm-swing (random step changes of 0.2Hz within a bandwidth of 0.2 to 1.6Hz) increased the SD of COP but decreased the SD of COMTotal. Increments in arm-swing frequency induced a progressive increase in M1 and decrease in M2 in terms of their relative contribution to postural stability. The cophase between COP and COMTotal became more tightly in-phase over increments of arm-swing frequency. These findings show an adaptive compensatory role of M1 and M2 within the stability of COP-COMTotal coupling in the regulation of human balance control. © 2015 Elsevier Ltd.
- Files in This Item
-
Go to Link
- Appears in
Collections - COLLEGE OF SPORTS AND ARTS > MAJOR IN SPORT CULTURE > 1. Journal Articles
![qrcode](https://api.qrserver.com/v1/create-qr-code/?size=55x55&data=https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/20219)
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.